<template>
<el-container class="home-container">
  <!-- 头部区域 -->
  <el-header> 
    <div>
       <img src="../assets/heima.png" alt="">
       <span>电商后台管理系统</span>
    </div>
    <el-button type="info" @click="logout" size="small">退出</el-button>
  </el-header>
    <!-- 页面主体区域 -->
    <el-container>
      <!-- 侧边栏 -->
      <el-aside :width="isCollapse ? '64px' : '200px'">
        <div class="toggle-button" @click="toggleCollapse">|||</div>
        <!-- 侧边栏菜单区 -->
      <el-menu
      background-color="#373D41"
      text-color="#fff"
      active-text-color="#409EFF"
      unique-opened
      :collapse="isCollapse"
      :collapse-transition="false"
      router
      :default-active="activePath"
      >
      <!-- 一级菜单 -->
      <el-submenu :index="p.id+''" v-for="p of menuList" :key="p.id">
        <!-- 一级菜单的模板区域 -->
        <template slot="title" @click="getMenuList">
          <i :class="iconObj[p.id]" ></i>
          <span>{{p.authName}}</span>
        </template>
        <!-- 二级菜单 -->
          <el-menu-item :index="item.path" v-for="item of p.children" :key="item.id" @click="saveNavState(item.path)">
           <template slot="title">
              <i class="el-icon-menu"></i>
              <span>{{item.authName}}</span>
          </template>
          </el-menu-item>
      </el-submenu>
    </el-menu>
      </el-aside>
      <!-- 右侧内容主体 -->
    <el-main>
      <router-view></router-view>
    </el-main>
  </el-container>
</el-container>

   
  
</template>

<script>
export default {
  data() {
    return {
      // 左侧菜单数据
      menuList:[],
      iconObj:{
        125:'iconfont icon-user',
        103:'iconfont icon-tijikongjian',
        101:'iconfont icon-shangpin',
        102:'iconfont icon-danju',
        145:'iconfont icon-baobiao'
      },
      isCollapse:false,
      // 被激活的链接地址
      activePath:''
    }
  },
  created(){
    this.getMenuList()
    this.activePath=window.sessionStorage.getItem('activePath')
  },
  methods: {
    logout() {
      window.sessionStorage.clear();
      this.$router.push("/login");
    },
    toggleCollapse(){
       this.isCollapse=!this.isCollapse
    },
    saveNavState(activePath){
       window.sessionStorage.setItem('activePath',activePath)
       this.activePath=activePath
    },
    // 获取所有菜单
    getMenuList(){
      this.axios.get('menus').then(result=>{
        console.log(result.data)
        if(result.data.meta.status !==200) return this.$message.console.error(result.data.meta.msg);
        this.menuList = result.data.data
        
      })
    }
  }
};
</script>

<style  scoped>
 .el-button{
   height: 35px;
  
}
 .el-menu{
  border-right: 0;
  user-select:none
}
  .el-header{
    background-color: #373D41;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: 0;
    color: #fff;
    font-size: 20px;
  }
  .el-header div{
    display: flex;
    align-items: center;
  }
  .el-header div span{
    margin-left: 15px;
  }
  .el-aside{
    background-color: #373D41
  }
  .el-main{
    background-color:#E9EDF1;
  }
  .home-container{
    height: 100%;
  }
  .iconfont{
    margin-right: 10px
  }
  .toggle-button{
    background-color: #4a5064;
    font-size: 10px;
    line-height: 24px;
    color: #fff;
    text-align: center;
    /* 内容间的单词间距 */
    letter-spacing: 0.2em;
    cursor: pointer;
    /* 禁止用户复制文本 */
    user-select:none
  }
</style>
